Calculate K_p at 298 K for the Reaction SO₂(g) $\leftrightharpoons$ SO₃(g) + NO(g)

Calculate K_p at 298 K for the reaction SO₂(g) + NO₂(g) $\leftrightharpoons$ SO₃(g) + NO(g) . $\begin{array}{lc}&\Delta \mathrm{G}_{\mathrm{f}}^{\circ}\\\hline\mathrm{SO}_{2}(\mathrm{g}) & -300.4 \mathrm{~kJ} / \mathrm{mol} \\\mathrm{SO}_{3}(\mathrm{g}) & -370.4 \mathrm{~kJ} / \mathrm{mol} \\\mathrm{NO}(\mathrm{g}) & 86.7 \mathrm{~kJ} / \mathrm{mol} \\\mathrm{NO}_{2}(\mathrm{g}) & 51.8 \mathrm{~kJ} / \mathrm{mol}\end{array}$

A) 6.99 * 10^-7
B) 5.71 * 10^-8
C) 14.2
D) 475
E) 1.42 * 10⁶